Insulation hanger



FIG. 1 is top perspective view of an insulation hanger showing our new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a top elevation view thereof; and,

FIG. 4 is a back elevation view thereof.

The broken lines represent portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for an insulation hanger, as shown and described. 